synonym of Conus aplustre Reeve, 1843 Conus neglectus Pease, 1861: synonym of Conus flavidus Lamarck, 1810 Conus nelsonandradoi (Cossignani & Fiadeiro, 2015): synonym of Conus longilineus Röckel, Rolán & Monteiro, 1980 Conus neoafricanus da Motta, 1991: synonym of Conus africanus Kiener, 1848 Conus neobuxeus da Motta, 1991: synonym of Conus furvus Reeve, 1843 Conus neoguttatus da Motta, 1991: synonym of Conus lineopunctatus Kaicher, 1977 Conus neotorquatus da Motta, 1985: synonym of Profundiconus teramachii (Kuroda, 1956) Conus neptunoides E. A. Smith, 1880: synonym of Conus neptunus Reeve, 1843 Conus nereis Petuch, 1979: synonym of Conasprella wakayamaensis (Kuroda, 1956) Conus nicobaricus Hwass in Bruguière, 1792: synonym of Conus araneosus nicobaricus Hwass in Bruguière, 1792 Conus nicolii J. Wilson, 1831: synonym of Conus pulcher [Lightfoot], 1786 Conus nigrescens G. B. Sowerby II, 1860: synonym of Conus bandanus Hwass in Bruguière, 1792 Conus nigrostriatus Kosuge, 1979: synonym of Profundiconus lani (Crandall, 1979) Conus nipponicus da Motta, 1985: synonym of Conasprella spirofilis (Habe & Kosuge, 1970) Conus nisus Kiener, 1846: synonym of Conus amplus Röckel & Korn, 1992 Conus nisus Dillwyn, 1817: synonym of Conus cinereus Hwass in Bruguière, 1792 Conus nitidissimus Fenaux, 1942: synonym of Conus anemone Lamarck, 1810 Conus nitidus Reeve, 1844: synonym of Conus boeticus Reeve, 1844 Conus nivalis da Motta, 1985: synonym of Conus furvus Reeve, 1843 Conus nivifer G. B. Sowerby I, 1833: synonym of Conus venulatus Hwass in Bruguière, 1792 Conus nivosus Lamarck, 1810: synonym of Conus venulatus Hwass in Bruguière, 1792 Conus nocturnus Hwass in Bruguière, 1792: synonym of Conus nocturnus [Lightfoot], 1786 Conus nodiferus Kiener, 1847: synonym of Conasprella jaspidea pealii (Green, 1830) Conus norai da Motta & G. Raybaudi Massilia, 1992: synonym of Conus daucus Hwass in Bruguière, 1792 Conus novaehollandiae A. Adams, 1855: synonym of Conus anemone novaehollandiae A. Adams, 1855 Conus novemstriatus (Röding, 1798): synonym of Conus fulmineus Gmelin, 1791 (nomen dubium) Conus nubecula Gmelin, 1791: synonym of Conus bullatus Linnaeus, 1758 Conus nullisecundus Nowell-Usticke, 1968: synonym of Conus cedonulli Linnaeus, 1767 Conus obesus Hwass in Bruguière, 1792: synonym of Conus zeylanicus Gmelin, 1791 Conus oblitus Reeve, 1849: synonym of Conus moreleti Crosse, 1858 Conus obtusus Kiener, 1850: synonym of Conus variegatus Kiener, 1848 Conus ochraceus Lamarck, 1810: synonym of Conus spurius Gmelin, 1791 Conus oculatus Gmelin, 1791: synonym of Conus ermineus Born, 1778 Conus ogum (Petuch & R. F. Myers, 2014): synonym of Conasprella ogum (Petuch & R. F. Myers, 2014) Conus okamotoi